Towel holder



FIG. 1 is a left side elevational view of a towel holder showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front, bottom, and left side perspective view thereof; and,

FIG. 8 is a reduced top, front, and right side perspective view thereof, the broken-line disclosure of a towel being for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a towel holder, as shown and described. 